Page 318 - Robots Androids and Animatrons : 12 Incredible Projects You Can Build

Parts list for the PC interface
(5) Tip 120 NPN transistors
(5) TIP 125 PNP transistors
(1) 74164 serial to parallel IC
(1) 74LS373 octal latch
(1) Red LED
(5) 1N914 diodes
(1) Eight-position Molex header
(1) Eight-position 3"-long Molex cable
(1) DPDT PC-mounted switch
(1) DB25 RT angled PC-mounted connector
(1) DB25 M-M 6-ft cable
(1) PCB
1
(10) 100K-ohm, / 4-W resistors
1
(3) 15K-ohm, / 4-W resistors
(1) 7805 voltage regulator

The robotic arm interface kit contains all the above parts. 297

Parts list for the speech-recognition interface

(5) TIP 120 NPN transistors
(5) TIP 125 PNP transistors
(1) 74154 4/16 decoder IC
(1) 4011 NAND gate
(1) 4049 hex buffer
(1) 741 op-amp
1
(1) 5.6K-ohm, / 4-W resistor
1
(1) 15K-ohm, / 4-W resistor
(1) Eight-position Molex header
(1) Eight-position 3"-long Molex cable
(1) PCB
1
(10) 100K-ohm, / 4-W resistors
1
(1) 4.7K-ohm, / 4-W resistor
(1) 7805 voltage regulator

Team LRN
Robotic arm and IBM PC interface and speech control